JPS4972101A - - Google Patents
Info
- Publication number
- JPS4972101A JPS4972101A JP48111320A JP11132073A JPS4972101A JP S4972101 A JPS4972101 A JP S4972101A JP 48111320 A JP48111320 A JP 48111320A JP 11132073 A JP11132073 A JP 11132073A JP S4972101 A JPS4972101 A JP S4972101A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
- G01V5/08—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
- G01V5/10—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources
- G01V5/101—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting the secondary Y-rays produced in the surrounding layers of the bore hole
- G01V5/102—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting the secondary Y-rays produced in the surrounding layers of the bore hole the neutron source being of the pulsed type
Landscapes
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US294715A US3886355A (en) | 1971-05-24 | 1972-10-03 | Method and apparatus for logging well boreholes with gamma rays from the inelastic scattering of fast neutrons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4972101A true JPS4972101A (OSRAM) | 1974-07-12 |
Family
ID=23134617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48111320A Pending JPS4972101A (OSRAM) | 1972-10-03 | 1973-10-03 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS4972101A (OSRAM) |
| CA (1) | CA997872A (OSRAM) |
| DE (1) | DE2350243A1 (OSRAM) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4841792A (OSRAM) * | 1971-09-20 | 1973-06-18 |
-
1973
- 1973-08-28 CA CA179,862A patent/CA997872A/en not_active Expired
- 1973-10-03 DE DE19732350243 patent/DE2350243A1/de not_active Withdrawn
- 1973-10-03 JP JP48111320A patent/JPS4972101A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4841792A (OSRAM) * | 1971-09-20 | 1973-06-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2350243A1 (de) | 1974-04-25 |
| CA997872A (en) | 1976-09-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19811027 |